科研之友
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摘要
Purely organic room temperature phosphorescence (RTP) materials in the solid state have been widely researched, while water-soluble molecules with single structure and RTP emission in water are still rare. Here, cyan RTP in aqueous solution of water-soluble halogen-substituted phthalic anhydride (PA) derivatives was enhanced by supramolecular host-guest complexation with cucurbit[n]urils (CB[n]s). This successful attempt further suggests a feasible strategy for creating visible RTP materials in aqueous solution through CB[n]-based host-guest complexation.
